Smart Machine Smart Decision
SIM5360_Hardware Design_V1.06
2016-11-17
48
Figure 34: MODULE to EXT CODEC timing
Table 31: Timing parameters
Parameter
Description
Min
Typ
Max
Unit
T(sync)
PCM_SYNC cycle time
–
125
–
μs
T(synch)
PCM_SYNC high time
400
500
–
ns
T(syncl)
PCM_SYNC low time
–
124.5 –
μs
T(clk)
PCM_CLK cycle time
–
488
–
ns
T(clkh)
PCM_CLK high time
–
244
–
ns
T(clkl)
PCM_CLK low time
–
244
–
ns
T(susync)
PCM_SYNC setup time high before falling edge of
PCM_CLK
60
–
–
ns
T(hsync)
PCM_SYNC hold time after falling edge of
PCM_CLK
60
–
–
ns
T(sudin)
PCM_IN setup time before falling edge of
PCM_CLK
50
–
–
ns
T(hdin)
PCM_IN hold time after falling edge of PCM_CLK 10
–
–
ns
T(pdout)
Delay from PCM_CLK rising to PCM_OUT valid
–
–
350
ns
T(zdout)
Delay from PCM_CLK falling to PCM_OUT
HIGH-Z
–
160
–
ns
Note:
SIM5360 can transmit PCM data by USB except for PCM interface.
3.13.3
Application Guide
The mode of SIM5360 PCM can be configured by AT command “AT+CPCM and AT+CPCMFMT”, and
the default configuration is master mode using short sync data format with 2.048MHz PCM_CLK and 8
kHz PCM_SYNC. Please refer to document [21] and document [1] for details.
SIMCOM
CONFIDENTIAL
FILE
